Here is a Adcom A400i stock ROM firmware (flash file) that yous tin download together with survive to flash or charge stock firmware on your A400i device.
Though this Adcom A400i Stock ROM (flash file) has been checked together with confirmed to piece of occupation for Adcom A400i, due to device variations, nosotros cannot guaranty that it volition piece of occupation for yours.
Depending on your electrical current OS version, this Adcom A400i stock firmware, when flashed on your device, volition either upgrade, downgrade or unbrick your Adcom A400i.
And inwards either case, yous volition virtually probable free all your of import files on the device, therefore, yous withdraw to backup all the of import files on your device.
Adcom A400i Stock ROM Firmware Download Link(s)
See also: All Adcom Manito Stock ROM Firmware (Flash File)
How to Flash or Upgrade Adcom A400i Firmware
1. Download your Adcom A400i Stock ROM firmware from the link(s) above.
2. Download together with install Windows device drivers for your Adcom A400i. See here: All Android Devices ADB together with Fastboot Drivers
3. Extract your Adcom A400i firmware on your PC.
4. Now, direct either of the tools listed below here.
Either of the tools tin download together with flash stock ROM firmware on your Adcom A400i. I recommend that yous direct the i that is virtually suitable to upgrade or flash your Adcom A400i.
Note:
1. Each of the tools listed higher upwardly contained mensuration past times mensuration guides amongst illustrated pictures on how to flash stock firmware on your Adcom A400i.
2. If yous require whatever farther assistance, precisely drib your comment detailing the issue(s) together with I shall assist yous revive your Adcom A400i , if withdraw be.